Oven



FIG. 1 is a front perspective view of an oven showing my new design;

FIG. 2 is a bottom front perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The rear of the oven is flat and unornamented. The broken lines in the drawings show boundaries of the oven that form no part of the design. 

CLAIM The ornamental design for an oven, as shown and described. 